37 lines
836 B
C
37 lines
836 B
C
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// Copyright (c) 2010-2011 GeometryFactory Sarl (France)
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//
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// This file is part of CGAL (www.cgal.org)
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//
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// $URL: https://github.com/CGAL/cgal/blob/v5.1/Number_types/include/CGAL/FPU_gcc_i386_sse2.h $
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// $Id: FPU_gcc_i386_sse2.h 0779373 2020-03-26T13:31:46+01:00 Sébastien Loriot
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// SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial
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//
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//
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// Author(s) : Laurent Rineau
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extern "C" {
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#include <fenv.h>
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}
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namespace CGAL {
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// replacement for C99
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inline int
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feclearexcept(int exceptions) {
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int mxcsr;
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asm volatile("stmxcsr %0" : "=m" (mxcsr) );
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mxcsr &= ~exceptions;
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asm volatile("ldmxcsr %0" : : "m" (mxcsr) );
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return 0;
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}
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inline int
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fetestexcept(int exceptions) {
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int status;
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asm volatile("stmxcsr %0" : "=m" (status) );
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return status & exceptions;
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}
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} // end namespace CGAL
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